Recently I decided to drag an old 68 340 out and strat to fix it up. I'm hopeing to resuse as much of the stock material as possible since my budget is esentially what change I find under the coutch. Frist I have little experience with valve springs and I need to remove them. I have an overhead spring compressor and I can compress the springs but I can't get the retainer clips to budge. Is there some trick to getting them off or are they just stuck on from sitting thirty years?